// pages/demo/demo.js
Page({
  data: {
    name: '',
    age: 0,
    address: '河南'
  },
  onLoad(params) {
    // this.setData(params)
    this.setData({
      ...params,
      address: '武汉'
    })
  },
  navigateBack() {
    wx.navigateBack()
  }
})